#include <stdio.h>

int main() {
  int num;
  printf("Enter a number: ");
  scanf("%d", &num);
  if (num > 0) {
    printf("Positive number\n");
  } else if (num < 0) {
    printf("Negative number\n");
  } else {
    printf("Zero\n");
  }
  return 0;
}